Patiala Locomotive Works

Patiala Locomotive Works
Type Indian Railways production unit
Industry Electric locomotive
Predecessor Diesel-Loco Modernization Works
Founded October 24, 1981
Headquarters
Patiala, Punjab
,
India
Area served
 India
Key people
 Pramod Kumar (Principal Chief Administrative Officer)
Products WAP-7
WAG-9
8-Wheeled Diesel Electric Tower Car (8-W DETC)
Production output
 198 units (2022-23)
  • WAP-7 and WAG-9: 198
  • 8-W DETC: 55
Owner Indian Railways
Number of employees
 3000+ (2023)
Website plw.indianrailways.gov.in

Patiala Locomotive Works (PLW) (formerly Diesel Loco Modernization Works (DMW)) is a production unit of the Indian Railways located at Patiala in the Indian state of Punjab. It was set up in the year 1981 as "Diesel Component Works" (DCW) to meet the demand of maintaining the Railway's diesel locomotives. Currently, it has the job of manufacturing new WAP-7 and WAG-9 electric locomotives along with 8-wheeled diesel electric tower cars (8-W DETCs), and upgrading and rehabilitating old locomotives. It also extends maintenance support to the Railways by providing high precision components and sub-assemblies.

Services

  • Manufacturing and supply of high-quality components and sub-assemblies as spares
  • Manufacturing of components hitherto imported, leading to import substitution and timely availability
  • Remanufacturing of critical assemblies for the unit exchange system of the railway's diesel locomotive maintenance system
  • Rebuilding locomotives and power packs, and retrofitting locomotives with systems that incorporate the latest technological developments
  • Manufacturing WAP-7 (starting from number 39***) and WAG-9 locomotives

Products

Key:

   Loco currently in production

The designation of the locomotives follows the nomenclature in Indian Railways. Prototypes and individual vehicles are not listed.

Electric locomotives

Name Wheel

Arr

Built year(s) Power Current Status
WAP-7 Co-Co 2000–present 6350 HP In service
WAG-9 Co-Co 1996–present 6125 HP In service

See also